BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 23 27.4%
2 United States 17 20.2%
3 Australia 9 10.7%
4 Netherlands 8 9.5%
5 Malaysia 7 8.3%
6 Taiwan 5 6%
7 Canada 4 4.8%
8 Singapore 3 3.6%
9 Korea, Republic of 2 2.4%
10 Germany 2 2.4%
11 Hong Kong 2 2.4%
12 Italy 1 1.2%
13 Switzerland 1 1.2%